Home / 243,945.25-336,639.08-133,563.67

Finding the Fourth Proportional to 243,945.25, 336,639.08 and 133,563.67

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Solution

The fourth proportional to 243,945.25, 336,639.08 and 133,563.67 is: 184,314.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,945.25 : 336,639.08 = 133,563.67 : x
  2. Step 2: Convert to fraction form
    243,945.25/336,639.08 = 133,563.67/x
  3. Step 3: Cross multiply
    243,945.25x = 336,639.08 × 133,563.67
  4. Step 4: Simplify right side
    243,945.25x = 44,962,748,639.21
  5. Step 5: Solve for x
    x = 44,962,748,639.21/243,945.25
  6. Step 6: Final answer
    x = 184,314.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.